OpenTechnical

OT-2026-000006751

Publication integrity record

Vacuum cup gripper, per zone isolation, ejector fed, contact triggered on the face, silicone cups

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000006751) never changes.

Identity and time

Publication numberOT-2026-000006751 · never reused
Internal UUID01a0a966-2d5a-784c-a78f-fb2f2a2e826b · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:47:20.924726Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006751
StatusPUBLIC

Content hashes

Canonical text47115cf9642335ba6796b890add2a93ac7204d121d4edf9be7cb510a08b3926f
Markdownae4fdbd27134755433561ba3f4270402b3120b55388009f91ffceb4ffcd577f3
PDF
Publication pagec0c6b57d74e29eb1ff9e754cc72a6493ce8b97cf3e1414679a502cfeeae8c1a6
Manifest3f6d658e9882047beecc58780e3cbef8be2c4f7fafa9865441ecfa23ce772ee8

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturesCCeTusxIgGXMqWYPbE/1UQ+1bhoWZikInxTEH2Nf3fdIg5NyuNuGA9ivLWs55sdAFn7WKoTOhbto09cOf9dDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T08:50:10.398926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006751
observed c0c6b57d74e29eb1ff9e754cc72a6493...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:10.386420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006751/manifest.json
observed 3f6d658e9882047beecc58780e3cbef8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:10.251309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006751/publication.md
observed ae4fdbd27134755433561ba3f4270402...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:10.237995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006751/publication.txt
observed 47115cf9642335ba6796b890add2a93a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.